Results 31 to 40 of about 39,261 (292)

Retroperitoneal perivascular epithelioid cell tumor in a 47-years old woman

Medicina Clínica Práctica, 2023
Perivascular epithelioid cell tumors (PEComa) are rare neoplasms defined as mesenchymal tumors with distinctive histology and immunohistochemistry. They tend to occur in middle-aged patients and mostly in women. The tumours cells show an association with
Minguez Ojeda César, Lorca Álvaro Javier, López-Rodríguez Mónica A., Andreu Arnanz Ana, Tagalos Muñoz Ana Cristina, Gómez Dos Santos Victoria, Burgos Revilla Francisco Javier   +6 more
doaj   +1 more source

Primary renal teratoma: a rare entity [PDF]

, 2013
: Teratomas are neoplasms that arise from pluripotent cells and can differentiate along one or more embryonic germ lines. Renal teratoma is an exceedingly rare condition.
Afaf Amarti, Aziz El madi, Hinde El-Fatemi, Karima Idrissi-Serhrouchni, Khadija Benhayoun, Laila Chbani, Taoufik Harmouch, Youssef Bouabdellah   +7 more
core   +1 more source

Giant Retroperitoneal Liposarcoma: A Case Report

Case Reports in Oncological Medicine, 2012
Soft tissue sarcomas represent less than 1% of all human neoplasms. One-third of malignant tumors that arise in the retroperitoneum are sarcomas and liposarcoma is the most common retroperitoneal sarcoma.
Chavan Shahaji, Parasnis Amit, Punia Prashant, Tekade Sachin   +3 more
doaj   +1 more source

Fetus in fetu with skeletal dysplasia and hyperparathyroidism

Journal of Pediatric Surgery Case Reports, 2019
Fetus-in-fetu (FIF) is a rare condition in which malformed parasitic twin grows inside the body of its twin and usually presents as abdominal mass. We are reporting a case of neonate who presented with abdominal mass; FIF was suggestive after further ...
Saad H. Aldosari, Jamal Alhudhaif, Omai Alsasi, Mohammed Farhan, Saleh M. Kamel   +4 more
doaj   +1 more source

Primary retroperitoneal mucinous cystadenocarcinoma with transition from the mesothelium

IJU Case Reports, 2020
Introduction Mucinous cystic neoplasms are uncommon among the tumors that develop in the retroperitoneum. We report a case of primary retroperitoneal mucinous cystadenocarcinoma with pathological considerations.
Ikko Tomisaki, Atsuji Matsuyama, Mao Jotatsu, Sohei Yamamura, Rei Onishi, Naohiro Fujimoto   +5 more
doaj   +1 more source

Annual Report of the 2022 National Clinical Database: Decade‐Long Trends and Current Status of Gastroenterological Surgery in Japan

Annals of Gastroenterological Surgery, EarlyView.
ABSTRACT Aim The National Clinical Database (NCD) of Japan is the largest nationwide registry, covering over 95% of surgeries in the country. This 2022 annual report summarizes the short‐term outcomes of gastroenterological surgeries and discusses trends and insights over the past decade.
Koshi Kumagai, Arata Takahashi, Hideki Ueno, Naoki Hiki, Yoshiki Kajiwara, Tomoki Ebata, Takao Otsuka, Taro Oshikiri, Yoshihiro Kakeji, Takanori Goi, Akio Saiura, Hiroshi Saeki, Chie Tanaka, Masanori Tokunaga, Tsutomu Fujii, Satoru Matsuda, Tsunekazu Mizushima, Hiroyuki Yamamoto, Yuko Kitagawa, Ken Shirabe   +19 more
wiley   +1 more source

Giant Primary Retroperitoneal Teratoma in an Adult: A Case Report

Case Reports in Medicine, 2010
Teratomas are bizarre neoplasms derived from embryonic tissues that are typically found only in the gonadal and sacrococcygeal regions of adults. Retroperitoneal teratomas are rare and present challenging management options.
Poonam Mathur, Miguel A. Lopez-Viego, Myron Howell   +2 more
doaj   +1 more source

Retroperitoneal fibrosis: a case of a patient (63y/o) treated with low-dose methotrexate (MTX) and 6-methylprednisolone (6-MP) [PDF]

, 2018
Retroperitoneal fibrosis (RPF), is a rare fibroinflammatory disease. The pathogenesis of RPF is still unclear and numerous theories have been reported such as environmental factors, immunologic process, genetic component, local inflammation and advanced
A. Santoro, A. Sili Scavalli, N. Galea, R. Cirocchi, R. Poscia, ROSIELLO, FRANCESCO, V. Riccieri   +6 more
core  

Real‐World Data of Retroperitoneal Tumor Surgeries Performed by Gastroenterological Surgeons in Japan: Analysis Based on the National Clinical Database

Annals of Gastroenterological Surgery, EarlyView.
ABSTRACT Background Retroperitoneal tumors (RPTs) are rare and anatomically complex neoplasms, for which surgery remains the mainstay of treatment. However, real‐world data on their surgical management in Japan have been limited. Objective To describe the clinical characteristics and short‐term outcomes of patients undergoing resection for RPTs in ...
Keisuke Kurimoto, Hiroyuki Yamamoto, Masaki Sunagawa, Yoshiki Kajiwara, Hiroshi Hasegawa, Hideki Ueno, Ken Shirabe, Mitsuro Kanda, Tomoki Ebata, Yukihiro Yokoyama   +9 more
wiley   +1 more source

Correlation between imaging and histology in benign solitary retroperitoneal nerve sheath tumors: a pictorial review

Insights into Imaging
Background Benign nerve sheath tumors presenting as solitary retroperitoneal masses (RBNSTs) pose a complex diagnostic challenge for multidisciplinary teams regarding differential diagnosis, staging, and treatment planning.
Luisa Carone, Gaia Messana, Alessandro Vanoli, Luigi Pugliese, Anna Gallotti, Lorenzo Preda   +5 more
doaj   +1 more source